The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 0 |
| 5 | 4 |
| 6 | 3 |
| 7 | 1 |
| 8 | 2 |
| 9 | 9 |
| 10 | 6 |
| 11 | 0 |
| 12 | 4 |
| 13 | 6 |
| 14 | 16 |
| 15 | 10 |
| 16 | 1 |
| 17 | 2 |
| 18 | 9 |
| 19 | 12 |
| 20 | 25 |
| 21 | 15 |
| 22 | 0 |
| 23 | 4 |
| 24 | 6 |
| 25 | 16 |
| 26 | 20 |
| 27 | 36 |
| 28 | 21 |
| 29 | 1 |
| 30 | 2 |
| 31 | 9 |
| 32 | 12 |
| 33 | 25 |
| 34 | 30 |
| 35 | 49 |
| 36 | 28 |
[0,1,1,0,4,3,1,2,9,6,0,4,6,16,10,1,2,9,12,25,15,0, 4,6,16,20,36,21,1,2,9,12,25,30,49,28] |